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Autres articles (14)

  • Supporting all media types

    13 avril 2011, par

    Unlike most software and media-sharing platforms, MediaSPIP aims to manage as many different media types as possible. The following are just a few examples from an ever-expanding list of supported formats : images : png, gif, jpg, bmp and more audio : MP3, Ogg, Wav and more video : AVI, MP4, OGV, mpg, mov, wmv and more text, code and other data : OpenOffice, Microsoft Office (Word, PowerPoint, Excel), web (html, CSS), LaTeX, Google Earth and (...)

  • Les formats acceptés

    28 janvier 2010, par

    Les commandes suivantes permettent d’avoir des informations sur les formats et codecs gérés par l’installation local de ffmpeg :
    ffmpeg -codecs ffmpeg -formats
    Les format videos acceptés en entrée
    Cette liste est non exhaustive, elle met en exergue les principaux formats utilisés : h264 : H.264 / AVC / MPEG-4 AVC / MPEG-4 part 10 m4v : raw MPEG-4 video format flv : Flash Video (FLV) / Sorenson Spark / Sorenson H.263 Theora wmv :
    Les formats vidéos de sortie possibles
    Dans un premier temps on (...)

  • Ajouter notes et légendes aux images

    7 février 2011, par

    Pour pouvoir ajouter notes et légendes aux images, la première étape est d’installer le plugin "Légendes".
    Une fois le plugin activé, vous pouvez le configurer dans l’espace de configuration afin de modifier les droits de création / modification et de suppression des notes. Par défaut seuls les administrateurs du site peuvent ajouter des notes aux images.
    Modification lors de l’ajout d’un média
    Lors de l’ajout d’un média de type "image" un nouveau bouton apparait au dessus de la prévisualisation (...)

Sur d’autres sites (5457)

  • show processing sign in react native app

    26 mai 2018, par Parkash Sbd

    I have a react native app and users upload media(pictures and videos) .I also have RESTful api written in spring boot and its purpose is to accept multipart file and resize the media using FFmpeg.My question is how to show processing sign with percent in react native app while ffmpeg is resizing the media.
    Thanks.

  • Low Latency DASH Nginx RTMP

    3 août 2017, par Kenan Christian

    I use arut nginx-rtmp-module (https://github.com/arut/nginx-rtmp-module) on the media server, then I tried to stream using FFmpeg to the dash application, then I test the stream by playing it using VLC.

    And it waits around 30secs to start playing, and it plays from the beginning, not the current timestamp.

    This is my current config on the RTMP block

    rtmp {
    
    server {
    
        listen 1935;
    

    
        application live {
    
            live on;
    

    
           exec ffmpeg -re -i rtmp://localhost:1935/live/$name
    
              -c:a libfdk_aac -b:a 32k  -c:v libx264 -b:v 128K -f flv rtmp://localhost:1935/hls/$name_low
    
              -c:a libfdk_aac -b:a 64k  -c:v libx264 -b:v 256k -f flv rtmp://localhost:1935/hls/$name_mid
    
              -c:a libfdk_aac -b:a 128k -c:v libx264 -b:v 512K -f flv rtmp://localhost:1935/hls/$name_hi
    
              -c:a libfdk_aac -b:a 128k -c:v libx264 -b:v 512K -f flv rtmp://localhost:1935/dash/$name_dash;
    
        }
    

    
        application hls {
    
             live on;
    

    
             hls on;
    
             hls_path /tmp/hls;
    
             hls_nested on;
    

    
             hls_variant _low BANDWIDTH=160000;
    
             hls_variant _mid BANDWIDTH=320000;
    
             hls_variant _hi  BANDWIDTH=640000;
    
        }
    

    
        application dash {
    
            live on;
    

    
            dash on;
    
            dash_path /tmp/dash;
    
            dash_nested on;
    
        }
    
    }
    
}

    This is the command I use for streaming

    ffmpeg -re -i 2014\ SPRING.mp4 -c copy -f flv 
    
rtmp://52.221.221.163:1935/dash/spring

    How can I reduce the delay, and make it play from the same timestamp as the streamer ?

    Can I achieve under 5s latency ?

    UPDATE

    Tried to change the playlist length and fragment length, using this directive

    dash_playlist_length 10s;
    
dash_fragment 2s;

    But still got some latency problem, sometimes it’s smaller than before, sometimes it’s the same

  • Low Latency DASH Nginx RTMP

    10 mai 2017, par Kenan Christian

    I use arut nginx-rtmp-module (https://github.com/arut/nginx-rtmp-module) on the media server, then I tried to stream using FFmpeg to the dash application, then I test the stream by playing it using VLC.

    And it waits around 30secs to start playing, and it plays from the beginning, not the current timestamp.

    This is my current config on the RTMP block

    rtmp {
    
    server {
    
        listen 1935;
    

    
        application live {
    
            live on;
    

    
           exec ffmpeg -re -i rtmp://localhost:1935/live/$name
    
              -c:a libfdk_aac -b:a 32k  -c:v libx264 -b:v 128K -f flv rtmp://localhost:1935/hls/$name_low
    
              -c:a libfdk_aac -b:a 64k  -c:v libx264 -b:v 256k -f flv rtmp://localhost:1935/hls/$name_mid
    
              -c:a libfdk_aac -b:a 128k -c:v libx264 -b:v 512K -f flv rtmp://localhost:1935/hls/$name_hi
    
              -c:a libfdk_aac -b:a 128k -c:v libx264 -b:v 512K -f flv rtmp://localhost:1935/dash/$name_dash;
    
        }
    

    
        application hls {
    
             live on;
    

    
             hls on;
    
             hls_path /tmp/hls;
    
             hls_nested on;
    

    
             hls_variant _low BANDWIDTH=160000;
    
             hls_variant _mid BANDWIDTH=320000;
    
             hls_variant _hi  BANDWIDTH=640000;
    
        }
    

    
        application dash {
    
            live on;
    

    
            dash on;
    
            dash_path /tmp/dash;
    
            dash_nested on;
    
        }
    
    }
    
}

    This is the command I use for streaming

    ffmpeg -re -i 2014\ SPRING.mp4 -c copy -f flv 
    
rtmp://52.221.221.163:1935/dash/spring

    How can I reduce the delay, and make it play from the same timestamp as the streamer ?

    Can I achieve under 5s latency ?

    UPDATE

    Tried to change the playlist length and fragment length, using this directive

    dash_playlist_length 10s;
    
dash_fragment 2s;

    But still got some latency problem, sometimes it’s smaller than before, sometimes it’s the same

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